/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.systemui.usb;
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import android.app.AlertDialog;
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import android.content.ActivityNotFoundException;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.hardware.usb.UsbAccessory;
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import android.hardware.usb.UsbManager;
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import android.net.Uri;
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import android.os.Bundle;
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import android.os.UserHandle;
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import android.util.Log;
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import com.android.internal.app.AlertActivity;
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import com.android.internal.app.AlertController;
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import com.android.systemui.R;
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/**
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* If the attached USB accessory has a URL associated with it, and that URL is valid,
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* show this dialog to the user to allow them to optionally visit that URL for more
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* information or software downloads.
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* Otherwise (no valid URL) this activity does nothing at all, finishing immediately.
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*/
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public class UsbAccessoryUriActivity extends AlertActivity
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implements DialogInterface.OnClickListener {
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private static final String TAG = "UsbAccessoryUriActivity";
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private UsbAccessory mAccessory;
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private Uri mUri;
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@Override
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public void onCreate(Bundle icicle) {
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super.onCreate(icicle);
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Intent intent = getIntent();
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mAccessory = (UsbAccessory)intent.getParcelableExtra(UsbManager.EXTRA_ACCESSORY);
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String uriString = intent.getStringExtra("uri");
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mUri = (uriString == null ? null : Uri.parse(uriString));
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// sanity check before displaying dialog
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if (mUri == null) {
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Log.e(TAG, "could not parse Uri " + uriString);
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finish();
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return;
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}
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String scheme = mUri.getScheme();
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if (!"http".equals(scheme) && !"https".equals(scheme)) {
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Log.e(TAG, "Uri not http or https: " + mUri);
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finish();
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return;
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}
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final AlertController.AlertParams ap = mAlertParams;
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ap.mTitle = mAccessory.getDescription();
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if (ap.mTitle == null || ap.mTitle.length() == 0) {
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ap.mTitle = getString(R.string.title_usb_accessory);
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}
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ap.mMessage = getString(R.string.usb_accessory_uri_prompt, mUri);
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ap.mPositiveButtonText = getString(R.string.label_view);
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ap.mNegativeButtonText = getString(android.R.string.cancel);
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ap.mPositiveButtonListener = this;
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ap.mNegativeButtonListener = this;
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setupAlert();
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}
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public void onClick(DialogInterface dialog, int which) {
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if (which == AlertDialog.BUTTON_POSITIVE) {
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// launch the browser
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Intent intent = new Intent(Intent.ACTION_VIEW, mUri);
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intent.addCategory(Intent.CATEGORY_BROWSABLE);
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intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
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try {
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startActivityAsUser(intent, UserHandle.CURRENT);
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} catch (ActivityNotFoundException e) {
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Log.e(TAG, "startActivity failed for " + mUri);
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}
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}
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finish();
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}
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}
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